Right now
The most recent data we hold from NOAA arrived 4 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
Nothing else has been detected within 20 km in the last 24 hours.
This alert expired on 6 June 2026 at 02:30 UTC. It is kept here as a record.
It is the 5th strongest of the 34 detections recorded within 20 km of this point since 15 March 2026. Another comparable one was recorded here earlier the same day. 6 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued June 5 at 9:05PM CDT until June 5 at 9:30PM CDT by NWS La Crosse WI
Nearby, since 15 March 2026
- June 6, 2026 · score 46 · 20.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 22 out of 100, at 60 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v1. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 22 / 100 |
| Our confidence | 60% |
| Coordinates | 43.9851, -90.5824 |
| Nearest City | Onalaska (54 km) |
| Impact Tier | minor |
| Timestamp | 2026-06-06T02:05:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.b8977174bf44f5b896feb7968149ff76 |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Houston, MN; Winona, MN; La Crosse, WI; Buffalo, WI; Juneau, WI and 1 more areas |
| Headline | Severe Thunderstorm Warning issued June 5 at 9:05PM CDT until June 5 at 9:30PM CDT by NWS La Crosse WI |
| Expires | 2026-06-05T21:30:00-05:00 |
| SenderName | NWS La Crosse WI |
| HasExactCoords | true |
| MergedCount | 4 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.b8977174bf44f5b896feb7968149ff76f7dd5ff9.002.1","noaa_urn:oid:2.49.0.1.840.0.75270137513344bfbc2de423c46fc377ea31f7fb.001.1","noaa_urn:oid:2.49.0.1.840.0.64b78c4260cdb3db6a91e73f3fc592c04927a137.002.1","noaa_urn:oid:2.49.0.1.840.0.40c7aa9fb8b0a442ef8c062cfc8fd201933d4942.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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